A new screen package with the fix for the CVE-2021-26937 within CentOS 6 extended lifecycle support has been scheduled for gradual rollout from our production repository.
Rollout slot: 1
Rolled out to: 1%
ETA for 100% rollout: April, 22
Errata: https://errata.cloudlinux.com/els6/CLSA-2021-1618497131.html
screen-4.0.3-20.el6.cloudlinux.els6
yum update screen*
yum update screen* --enablerepo=ELS6-rollout-1-bypass